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21061 Sigma

Calcium carbonate

BioUltra, precipitated, ≥99.0% (KT)

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Properties

Related Categories Acids & Bases, Alphabetical, Bases, BioUltra Buffers, Biochemicals and Reagents,
InChI Key   VTYYLEPIZMXCLO-UHFFFAOYSA-L
product line   BioUltra
assay   ≥99.0% (KT)
form   powder
quality   precipitated
impurities   insoluble matter, passes filter test
loss   ≤0.5% loss on drying, 110 °C
solubility   5 M HCl: soluble0.1 M at 20 °C, clear, colorless
density   2.93 g/mL at 25 °C(lit.)
anion traces   chloride (Cl-): ≤100 mg/kg
  sulfate (SO42-): ≤200 mg/kg
cation traces   As: ≤0.1 mg/kg
  Ba: ≤50 mg/kg
  Bi: ≤5 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤50 mg/kg
  K: ≤50 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤1000 mg/kg
  Mn: ≤100 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤100 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤500 mg/kg
  Zn: ≤10 mg/kg
λ   0.1 M in 5 M HCl
UV absorption   λ: 260 nm Amax: ≤0.09
  λ: 280 nm Amax: ≤0.06

Description

Other Notes

Component of tetrathionate-containing and tetrathionate-producing culture media (TBG Broth) for buffering sulfuric acid produced on reduction of tetrathionate. Media component for luminous bacteria

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Laboratory Gloves

Interactive Buffer Table
Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
nwg
RTECS 
FF9335000
Protocols & Articles

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